feat: add method to update hints in database

Co-authored-by: aider (openai//models/qwen2.5-coder-32b-instruct-q4_k_m.gguf) <aider@aider.chat>

src/puzzle/ConcurrentWordScorer.java

@@ -188,6 +188,9 @@ public class ConcurrentWordScorer {
       resultQueue.put(Collections.singletonList(new WordScore(null, 0, "STOP")));
       writerThread.join();
       
+      // Update hints in the database
+      updateHintsInDatabase();
+      
       System.out.println("\n✓ All endpoints finished!");
    }
    
@@ -527,4 +530,4 @@ public class ConcurrentWordScorer {
       }
       return sb.toString();
    }
-}
+}